Choosing operators

An operator expresses the relationship between a condition’s field and its value; it determines how the field is applied to the value of the condition.

The following table describes the operators used in business rules.

Operator	Description
equals	The field matches the value exactly, including case.
not equals	The field does not match the value.
is null	The field does not contain a value.
is not null	The field contains a value.
less than	The field is less than the value.
less than or equal to	The field is less than or equal to the value.
greater than	The field is greater than the value.
greater than or equal to	The field is greater than the value.
in range	The field is within the range you specify. You must indicate a beginning and ending value when you select this operator.
not in range	The field is not within the range you specify. You must indicate a beginning and ending value when you select this operator.
contains	The field matches only text string values. This operator uses word stemming, but only in the Summary field and incident threads; stemmed searches are not case sensitive.
does not contain	The field does not contain the text string in the value. This opera­tor uses word stemming, but only in the Summary field and inci­dent threads; stemmed searches are not case sensitive. Note: Word stemming is not supported for custom fields, only text strings.
matches regular expression	The field matches the regular expression entered in a text string value. Note: The regular expression compiler validates the expression; if an error code is returned, the rule is not saved. For information about regular expressions, which can allow greater matching flexi­bility, refer to Regular Expressions.
does not match regular expression	The field does not match the regular expression entered in a text string value. Note: The regular expression compiler validates the expression; if an error code is returned, the rule is not saved. For information about regular expressions, which can allow greater matching flexi­bility, refer to Regular Expressions.
in response interval	This operator is used only with the Incident Created condition for incident rules to indicate that the incident was added within nor­mal working hours; that is, the incident was added within the response requirements of the SLA associated with the incident or within the default response requirements if no SLA is associated with the incident. The data in the condition’s hh:mm field is not used when this operator is selected.
not in response interval	This operator is used only with the Incident Created condition for incident rules to indicate that the incident was not added within normal working hours; that is, the incident was added outside the response requirements of the SLA associated with the incident or outside the default response requirements if no SLA is associated with the incident. The data in the condition’s hh:mm field is not used when this operator is selected.
modified this edit	This operator indicates that the field’s value was changed during the current run of rules processing. All values use this operator.
not modified this edit	This operator indicates that the field’s value was not changed dur­ing the current run of rules processing. All values use this operator.

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